دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the adhesion of a thin film of a gas or liquid to the surface of a solid. Liquid hydrocarbons are recovered from natural gas by passing the gas through activated charcoal, silica gel, or other solids, which extract the heavier hydrocarbons. Steam treatment of the solid removes the adsorbed hydrocarbons, which are then collected and re-condensed. The adsorption process is also used to remove water vapour from air or natural gas. Compare absorption.

n: A surface phenomenon exhibited by a solid (adsorbent) to hold or concentrate gases, liquids or dissolved substances(adsorptive) upon its surface, due to adhesion.

the attraction and holding of a layer of a chemical on the wall of a formation. Usually held by ionic charge or wetting preference.

n: a substance able to remove water from another substance with which it is in contact. It may be liquid (e.g., triethylene glycol) or solid (e.g., silica gel).

n: highly adsorbent, gelatinous form of silica used chiefly as a dehumidifying and dehydrating agent.

a desiccant for removal of water vapor from gas.